Oracle AI Database 26ai: A Comprehensive Guide to FUZZY_MATCH and Text Matching
1. Introduction One of the most common challenges in database management is identifying duplicate or similar records when the same...
November 1, 2026
2026
Oracle AI Database 26ai : 50 Key Features Every DBA Should Know
Oracle AI Database 26ai represents an important evolution in Oracle’s database technology. It introduces significant enhancements across artificial intelligence,...
October 31, 2026
Oracle FAST_START_PARALLEL_ROLLBACK: Understanding and Tuning Parallel Rollback
In Oracle Database, the FAST_START_PARALLEL_ROLLBACK initialization parameter controls the degree of parallelism used during transaction rollback. It helps Oracle accelerate...
October 19, 2026
Mastering the KEEP Buffer Pool with Oracle True Cache
Oracle True Cache allows you to maximize memory efficiency by assigning specific database objects to the KEEP buffer pool across...
October 14, 2026
Postgresql veritabanlarının NULL kayıtlardaki davranışı
Veritabanı yönetim sistemlerinde NULL, çoğu zaman yanlış anlaşılan ve beklenmedik sonuçlara yol açabilen özel bir kavramdır. PostgreSQL’de NULL değeri, bir verinin atanmadığını...
April 9, 2026
Hazır Web Sitesi
Sitehane , bilişim ve yönetim alanında yirmi yıla yakın bireysel birikim ve tecrübeye sahip isimlerin güçlerini birleştirmesiyle ortaya çıkmıştır. Bugüne...
April 8, 2026
PGSQLTune: Postgresql SQL Tuning Advisor
PGSQLTune is a PostgreSQL extension designed to analyze SQL queries and provide practical recommendations for improvement. Currently, it offers basic...
April 3, 2026
Priority Transactions in Oracle Database 26ai
The Oracle database supports automatic rollback of transactions and provides parameters to control this behavior. A row lock restricts access...
April 2, 2026
GIN Indexes in PostgreSQL
A GIN (Generalized Inverted Index) is a powerful PostgreSQL index type designed for optimizing search queries on complex data types, like arrays,...
March 27, 2026
Automatic Degree of Parallelism and In-Memory Parallel Execution in Oracle Database
Parallel execution in Oracle Database enables the decomposition of a SQL statement into multiple smaller tasks, each executed concurrently by...
March 26, 2026
The causes and fix recommendations for frequently observed wait events in Oracle databases
Wait Event Cause / Problem Solution / Recommendation db file scattered read The session is waiting for a multiblock I/O...
March 26, 2026
Automatic Transaction Quarantine
Automatic Transaction Quarantine is a mechanism introduced in Oracle Database 26ai to enhance database availability by isolating transactions that fail...
March 26, 2026
Reserved words in Oracle databases
In Oracle databases, many words are reserved for specific uses or entirely. This helps eliminate typos in SQL statements. You...
March 18, 2026
Index quality in Oracle databases
Index quality is a factor that directly affects the overall database performance. The quality of an index is measured by...
March 18, 2026
Setting threshold values for metrics on Exadata database servers using DBMCLI
Exadata database servers also allow setting threshold values for metrics, similar to cell nodes, and sending notifications when these thresholds...
March 18, 2026
